Frank Drogo

Person

Bonsall, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Servicing system for an inkjet printhead
- Patent number RE40294
- Issue date May 6, 2008
- Hewlett-Packard Development Company, L.P.
- William Wistar Rhoads
- 347 - Incremental printing of symbolic information
Information Patent Grant
Servicing system for an inkjet printhead
- Patent number 6,913,338
- Issue date Jul 5, 2005
- Hewlett-Packard Development Company, L.P.
- W. Wistar Rhoads
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Gas flush to eliminate residual bubbles
- Patent number 5,909,231
- Issue date Jun 1, 1999
- Hewlett-Packard Co.
- Winthrop D. Childers
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Servicing system for an inkjet printhead
- Patent number 5,905,514
- Issue date May 18, 1999
- Hewlett-Packard Company
- W. Wistar Rhoads
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printer with pen containing a low dot spread black ink and a high d...
- Patent number 5,880,758
- Issue date Mar 9, 1999
- Hewlett-Packard Company
- John L. Stoffel
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Color ink-jet printer with pigment black and dye-based color inks
- Patent number 5,745,140
- Issue date Apr 28, 1998
- Hewlett-Packard Company
- John L. Stoffel
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Control of ink drop volume in thermal inkjet printheads by varying...
- Patent number 5,726,690
- Issue date Mar 10, 1998
- Hewlett-Packard Company
- Jaime H. Bohorquez
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet printer with increased print resolution in the carriage scan...
- Patent number 5,600,351
- Issue date Feb 4, 1997
- Hewlett-Packard Company
- Clayton L. Holstun
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for increased print resolution in the carriage scan axis of...
- Patent number 5,541,625
- Issue date Jul 30, 1996
- Hewlett-Packard Company
- Clayton L. Holstun
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Servicing a newly-installed ink pen to eliminate uneven print quali...
- Patent number 5,528,269
- Issue date Jun 18, 1996
- Hewlett-Packard Company
- Frank Drogo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Servicing system for an inkjet printhead
- Publication number 20020171705
- Publication date Nov 21, 2002
- W. Wistar Rhoads
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Frank Drogo

Person

Patents Grantslast 30 patents

Servicing system for an inkjet printhead

Servicing system for an inkjet printhead

Gas flush to eliminate residual bubbles

Servicing system for an inkjet printhead

Printer with pen containing a low dot spread black ink and a high d...

Color ink-jet printer with pigment black and dye-based color inks

Control of ink drop volume in thermal inkjet printheads by varying...

Inkjet printer with increased print resolution in the carriage scan...

Method for increased print resolution in the carriage scan axis of...

Servicing a newly-installed ink pen to eliminate uneven print quali...

Patents Applicationslast 30 patents

Servicing system for an inkjet printhead